. . . . . . . . . . . . . . . . . . . . . "true"^^ . . . . . . . . . . . . . . . . . . . . . "true" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Group together some data entities on the basis of similarities such that entities in the same group (cluster) are more similar to each other than to those in other groups (clusters)." . . . . . . . . . . . . "1.6" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Clustering" . . . . . . . . .